The gradual death of the third-gen Apple TV is continuing this evening, as Apple has officially discontinued the device. In an email sent out today to employees and education partners, obtained by 9to5Mac, Apple confirmed that it is discontinuing the device, shifting its focus entirely to the fourth-gen, tvOS-powered model.In the email, Apple explained that it would fulfill order backlog for the device, but pointed partners towards the other available products for new purchases.